The index closed 6.64 points higher after gaining 15.32 points in the previous session.
Trading on the Ho Chi Minh Stock Exchange decreased by 2% to VND14.033 trillion (US$558.5 million).
The VN-30 basket, comprising the 30 largest capped stocks, saw 19 tickers gained.
FPT of IT giant FPT Corporation saw the biggest growth of 2.4%, followed by SSI of brokerage SSI Securities with a 2.2% increase and GVR of the Vietnam Rubber Group, up 2.2%.
Eight blue chips fell. VHM of property giant Vinhomes closed 1.9% lower, POW of electricity producer Petrovietnam Power Corporation went down 1.8%, and VIC of private conglomerate Vingroup slid 1.5%.
Foreign investors were net buyers to the tune of VND34 billion, mainly buying FPT of FPT Corporation and HDB of lender HDBank.
The HNX-Index for stocks on the Hanoi Stock Exchange, home to mid and small caps, rose 0.60%, while the UPCoM-Index for the Unlisted Public Companies Market went up 0.21%.
Globally, London stocks inched higher on Monday amid broad gains, after rounding off a turbulent week with declines, while resources-linked stocks and strength in BT Group provided further support, Reuters reported.
The blue-chip FTSE 100 index was up 0.7%, while the mid-cap FTSE 250 index was up 0.3% after ending with a second consecutive week of declines on Friday.
European shares started the week on a positive note on Monday, as investors prepared for U.S. inflation data to gauge the Federal Reserve's monetary policy path and a deluge of other key data from Europe.
The continent-wide STOXX 600 index was up 0.3%, with all European markets trading in the green.